/* 公共样式 */
*{
    margin: 0;
    padding: 0;
}
.content_width{
    width: 1240px;
    margin: 0 auto;
}
a{
    text-decoration: none;
    color:black
}

ul li{
    list-style-type: none;
}

/* product标题*/
.content_title{
    text-align: center;
    font-size: 50px;
    margin-bottom: 200px;
}
.content_title h1{
    font-weight: 500;
    letter-spacing: 2px;
}
/* 产品部分 */
.product .cat img{
    width: 25px;
    height: 20px;

}

/* 产品1 3*/
.product>div:nth-of-type(2n+1){
    position: relative;
    height: 680px;
    margin-bottom: 200px;
    background-color: #eeeeee;
}
.product>div:nth-of-type(2n+1) .product_text {
    text-align: center;
    width: 380px;
    background-color:white;
    position: absolute;
    top: 130px;
    left: 150px;
    z-index: 1;
}
.product>div:nth-of-type(2n+1) .product_img{
    position: absolute;
    right: 0;
    top: -90px;
}
.product>div:nth-of-type(2n+1) .product_text div:last-of-type{
    margin: 50px;
    line-height: 55px;

}
/* 图标 猫 */
.product>div:nth-of-type(2n+1) .cat{
    width: 25px;
    height: 20px;
    padding: 10px;

}


/* 产品2 4 */
.product>div:nth-of-type(2n){
    position: relative;
    height: 680px;
    margin: 400px 0;
    background-color: #eeeeee;
}
.product>div:nth-of-type(2n) .product_text {
    text-align: center;
    width: 380px;
    background-color:white;
    position: absolute;
    top: 130px;
    right: 150px;
    z-index: 1;
}
.product>div:nth-of-type(2n) .product_img{
    position: absolute;
    left: 0;
    top: -90px;
}
.product>div:nth-of-type(2n) .product_text div:last-of-type{
    margin: 50px;
    line-height: 55px;

}
/* 图标 猫 */
.product>div:nth-of-type(2n) .cat{
    width: 25px;
    height: 20px;
    padding: 10px;
    float: right;
}
/* 产品动效 */
.product>div .product_text{
    transition: all .5s linear;
}
.product>div .product_text:hover{
    top: 90px;
}
.product .product_text:hover h2{
    text-decoration: underline;
}